207 lines
6.3 KiB
C++
207 lines
6.3 KiB
C++
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is [Open Source Virtual Machine.].
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*
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* The Initial Developer of the Original Code is
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* Adobe System Incorporated.
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* Portions created by the Initial Developer are Copyright (C) 2004-2006
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Adobe AS3 Team
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef __avmplus_PoolObject__
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#define __avmplus_PoolObject__
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namespace avmplus
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{
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/**
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* The PoolObject class is a container for the pool of resources
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* decoded from an ABC file: the constant pool, the methods
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* defined in the ABC, the classes defined in the ABC, and so on.
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*/
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class PoolObject : public MMgc::GCFinalizedObject
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{
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public:
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AvmCore *core;
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/** constants */
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List<int, LIST_NonGCObjects> cpool_int;
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List<uint32, LIST_NonGCObjects> cpool_uint;
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List<double*, LIST_GCObjects> cpool_double;
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List<Stringp, LIST_RCObjects> cpool_string;
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List<Namespace*, LIST_RCObjects> cpool_ns;
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List<NamespaceSet*, LIST_GCObjects> cpool_ns_set;
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// LIST_NonGCObjects b/c these aren't really atoms, they are offsets
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List<Atom,LIST_NonGCObjects> cpool_mn;
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/** all methods */
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List<AbstractFunction*, LIST_GCObjects> methods;
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/** metadata */
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List<const byte*,LIST_NonGCObjects> metadata_infos;
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/** domain */
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DWB(Domain*) domain;
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/** constructors for class objects, for op_newclass */
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List<AbstractFunction*, LIST_GCObjects> cinits; // TODO just use methods array, dont need new cinits array
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List<AbstractFunction*, LIST_GCObjects> scripts;
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/** # of elements in methods array */
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uint32 methodCount;
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/** # of elements in metadata array */
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uint32 metadataCount;
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/** # of elements in cpool array */
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uint32 constantCount;
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uint32 constantIntCount;
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uint32 constantUIntCount;
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uint32 constantDoubleCount;
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uint32 constantStringCount;
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uint32 constantNsCount;
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uint32 constantNsSetCount;
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uint32 constantMnCount;
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/** # of elements in classes array */
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uint32 classCount;
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/** # of elements in scripts array */
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uint32 scriptCount;
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// true if this pool is baked into the player. used to control
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// whether callees will set their context.
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bool isBuiltin;
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#ifdef AVMPLUS_MIR
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/** buffer containing generated machine code for all methods */
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GrowableBuffer *codeBuffer;
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sintptr stackOverflowHandler; // address of stack overflow handler
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#endif /*AVMPLUS_MIR */
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PoolObject(AvmCore* core, ScriptBuffer& sb, const byte* startpos);
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~PoolObject();
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AbstractFunction* getMethodInfo(uint32 index);
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AbstractFunction* getNamedScript(Multiname* multiname) const;
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const byte* getMetadataInfoPos(uint32 index);
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Traits* getTraits(Stringp name, Namespace* ns, bool recursive=true) const;
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Traits* getTraits(Multiname* n, const Toplevel* toplevel, bool recursive=true) const;
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Traits* getTraits(Stringp name, bool recursive=true) const;
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Traits* getBuiltinTraits(Stringp name) const;
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void addPrivateNamedScript(Stringp name, Namespace* ns, AbstractFunction *a);
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void addNamedTraits(Stringp name, Namespace* ns, Traits* traits);
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//
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// deferred parsing
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//
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void parseMultiname(const byte *pos, Multiname& m) const;
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void resolveTraits(Traits *traits, int firstSlot, const Toplevel* toplevel);
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Traits* resolveTypeName(const byte* &pc, const Toplevel* toplevel, bool allowVoid=false) const;
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Atom resolveQName(const byte* &p, Multiname &m, const Toplevel* toplevel) const;
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/**
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* we allow early binding to a type if it is defined in
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* the same abc file as the reference, or if the type is
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* specially marked to allow early binding by making it's
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* Traits->pool pointer be null. We only do this for Object
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*/
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void allowEarlyBinding(Traits* t, bool& slot) const;
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void parseMultiname(Multiname& m, int index) const
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{
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AvmAssert (index >= 0 && index < int(constantMnCount));
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Atom a = cpool_mn[index];
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parseMultiname(atomToPos(a), m);
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}
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void parseMultiname(Atom a, Multiname& m) const
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{
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parseMultiname(atomToPos(a), m);
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}
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Namespace* getNamespace(int index) const;
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NamespaceSet* getNamespaceSet(int index) const;
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Stringp getString(int index) const;
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Atom getDefaultValue(const Toplevel* toplevel, uint32 index, CPoolKind kind, Traits* t) const;
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Atom posToAtom(const byte* pos) const
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{
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return (pos - abcStart)<<3 | kObjectType;
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}
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const byte* atomToPos(Atom a) const
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{
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AvmAssert((a&7)==kObjectType);
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return abcStart + urshift(a,3);
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}
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#ifdef AVMPLUS_VERIFYALL
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List<AbstractFunction*, LIST_GCObjects> verifyQueue;
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void enq(AbstractFunction* f);
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void enq(Traits* t);
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void processVerifyQueue(Toplevel* toplevel);
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#endif
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#ifdef AVMPLUS_VERBOSE
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bool verbose;
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#endif
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int version;
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ScriptBuffer code()
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{
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return (ScriptBufferImpl*)m_code;
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}
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bool isCodePointer(const byte* pos)
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{
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return pos > &code()[0] && pos < m_code->getBuffer() + code().getSize();
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}
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private:
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DWB(MultinameHashtable*) namedTraits;
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MultinameHashtable privateNamedScripts;
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DWB(ScriptBufferImpl*) m_code;
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const byte * const abcStart;
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};
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}
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#endif /* __avmplus_PoolObject__ */
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